Dont think your doing them any favoures training them In the weather were getting just now OMO.why not just Let them out for a fly And let them in to their mates ??? Do the same job .
Used to see Loads when out And about now you Are lucky if you see 1or 2 it will be a sad day without any rabbits food for Foxes BOPS ECT they have to eat so they will turn to other Sources of food .